The balance sheet of Computer World reports total assets of $$350,000$ and $$450,000$ at the beginning and end of the year, respectively. Sales revenues are $$800,000,$ net income is $$100,000,$ and net cash flows from operating activities are $$150,000.$ What is Computer World's cash flow to sales?

Multiple Choice

$25\mathrm{.}0\%$

$37\mathrm{.}5\%$

$15\mathrm{.}6\%$

$18\mathrm{.}8\%$